The Treasury also said it expects Congress to raise or suspend the US debt limit in a timely manner, and that it may take certain extraordinary measures if Congress does not.
The government expects its cash balance to be around $450 billion at the expiration of the debt limit suspension on July 31.
The all-share index, which rose 50% in 2020, shed 1.8% on Tuesday, the most in one day since December. The index of Nigeria's top 10 banking shares shed 5.3%.
Stocks had been rising since October as local funds moved into equities following two rate cuts last year, and as excess naira flooded money markets due to historically low yields on the debt market.
Sunak will use his annual budget on March 3 to move the policy to the end of June, bringing it in line with the easing of lockdown restrictions, the newspaper said.
The yield at the first auction in almost two months inched down one basis point to 0.05%. The original target at the auction was set at 1.2 billion kuna.
Non-banking investors bought almost 90% of the bills.